Below are sets of values for the spring constant k, damping constant b, and mass m for a particle in damped harmonic motion. Which of the sets takes the longest time for its mechanical energy to decrease to one-fourth of its initial value? 
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Acre of Land
A unit of area used in the United States and the United Kingdom, equivalent to 43,560 square feet.
Price Mechanism
The system by which the forces of supply and demand determine the prices of goods and services and allocate resources in an economy.
Usury Laws
Regulations governing the amount of interest that can be charged on a loan, intended to prevent lenders from imposing excessively high interest rates.
Price Ceiling
A legal maximum price that can be charged for a good or service, typically set by government to protect consumers.
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